Ecopetrol S.A. (BVC: ECOPETROL; NYSE: EC) (“Ecopetrol” or the “Company) reports that its Board of Directors approved the Financial Statements for 2017 and will release on February 27th, 2018 after markets close, its financial and operating results for the fourth quarter and full year 2017. On Wednesday, February 28th, Ecopetrol’s senior management will host two conference calls to review the results:

Ecopetrol S.A. (BVC: ECOPETROL; NYSE: EC) (“Ecopetrol” or the “Company) announces that on November 7, 2017 it will release after markets close its financial and operating results for the third quarter of 2017.

Ecopetrol S.A. (BVC: ECOPETROL; NYSE: EC) (“Ecopetrol” or the “Company) announces that on August 8, 2017 it will release after markets close its financial and operating results for the second quarter of 2017. On Wednesday, August 9, Ecopetrol’s senior management will host two conference calls, in Spanish and in English, to review the results. Please below find the timing, telephone numbers and links to access the conferences:

Ecopetrol S.A (BVC: ECOPETROL; NYSE: EC) (“Ecopetrol” or the “Company”) reports that on June 30, 2017 it will repay in advance its entire syndicated bank loan contracted with the international banking. The credit has a nominal value of USD$ 1,925 million which original due is February 2020.